A steering gear housing casting apparatus

Abstract

The application relates to the technical field of casting machines, and discloses a steering gear housing casting device which comprises a rack, the rack comprises a base, the bottom of the base is fixedly connected with a foot stand, the top of the base is fixedly connected with a rotary supporting arm, the top of the base is fixedly connected with a main body supporting foot stand, the top of the base is fixedly connected with a hydraulic rod connecting base, the middle inner wall of the base is fixedly connected with a limiting plate, the rotary supporting arm is movably connected with a casting tool main body device on the side, the casting tool main body device comprises a casting machine body, and the inside of the casting machine body is movably connected with a pressing assembly; the grinding tool connecting rod, the upper grinding tool plate and the lower die plate are arranged, when different models and sizes of steering gear housings need to be produced, the upper grinding tool plate and the lower grinding tool plate can be disassembled through the grinding tool connecting rod, the required grinding tool can be replaced, and the function of the device can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of casting machines, more particularly to a kind of steering gear housing casting device. BACKGROUND

[0002] With the development of science and technology in recent years, people's demand for cars is increasing, and the number of cars on the market is very large. With the development of automobile industry, automobile steering device is constantly improved. In the automobile steering device, the steering gear housing is an important part, which is used to install the parts inside the steering gear. The market demand is very high. In the early stage, the traditional casting process was used to produce steering gear housing, and the product type was single. With the progress of technology, more lightweight materials such as aluminum alloy are used in steering gear housing, and precision casting and forging technology are also introduced. The application of new materials requires the casting device to adapt to the characteristics of different materials and realize high-quality casting. With the development of automatic driving technology, steering gear housing needs to integrate more electronic components and sensors to meet higher safety standards and precise steering control. This requires the casting device to realize more precise processing and manufacturing to adapt to the development trend of intelligentization and integration.

[0003] The current housing casting device cannot accurately cast different sizes and types of housings, which makes the function of the device relatively single and cannot produce multiple housing requirements.

[0004] The current housing casting device needs to put the casting core manually to cast, which increases the labor cost and reduces the work efficiency. SUMMARY

[0005] In order to overcome the above-mentioned defects of the prior art, the present application provides a kind of steering gear housing casting device to solve the problems existing in the above background art.

[0006] To achieve the above object, the present application provides the following technical scheme: A steering gear housing casting device, comprising a rack, the rack comprises a base, the bottom of the base is fixedly connected with a foot stand, the top of the base is fixedly connected with a rotary support arm, the top of the base is fixedly connected with a main body support foot stand, the top of the base is fixedly connected with a hydraulic rod connecting base, the inner wall of the middle part of the base is fixedly connected with a limiting plate, the side of the rotary support arm is movably connected with a casting tool main body device, the casting tool main body device comprises a casting machine body, the side of the casting machine body is movably connected with a main body rotating assembly, the bottom of the main body rotating assembly is movably connected with the inner wall of the hydraulic rod connecting base, the inside of the casting machine body is movably connected with a pressing assembly, the side of the casting machine body is fixedly connected with a main body support seat, the bottom of the casting machine body is fixedly connected with a limiting block, the side of the casting machine body is fixedly connected with a mold core assembly base, the top of the mold core assembly base is fixedly connected with a mold core assembly, the side of the casting machine body is fixedly connected with a support sliding plate, the bottom of the pressing assembly is fixedly connected with a grinding tool assembly, and the bottom of the casting machine body is fixedly connected with a demolding hydraulic pump.

[0007] Further, the main body rotating assembly comprises a main body rotating shaft, a rotating hydraulic pump, a main hydraulic rod, a hydraulic rod rotating support seat and a hydraulic rod rotating shaft, the rotary support arm is movably connected with the casting machine body through the main body rotating shaft, the top of the base is fixedly connected with the bottom of the rotating hydraulic pump, the casting machine body is movably connected with the side of the hydraulic rod rotating support seat through the hydraulic rod rotating shaft, the side of the hydraulic rod rotating support seat is fixedly connected with the top of the rotating hydraulic pump, and the bottom of the rotating hydraulic pump is movably connected with the inner wall of the hydraulic rod connecting base.

[0008] Further, the pressing assembly comprises a pressing hydraulic pump, a pressing hydraulic rod, a pressing hydraulic rod support plate, a pressing plate and a grinding tool connecting rod, the bottom of the pressing hydraulic pump is fixedly connected with the top of the casting machine body, the side of the pressing hydraulic rod is movably connected with the inner wall of the casting machine body, the top of the pressing hydraulic rod is fixedly connected with the bottom of the pressing hydraulic rod support plate, the bottom of the pressing hydraulic rod is movably connected with the top of the pressing plate, the bottom of the pressing hydraulic rod in the middle part is fixedly connected with an upper demolding plate, and the bottom of the pressing plate is fixedly connected with the top of the grinding tool connecting rod.

[0009] Further, the grinding tool assembly comprises a grinding tool main body and a demolding assembly, the grinding tool main body comprises an upper grinding plate, an inlet cover, a lower grinding plate and an inlet, the bottom of the grinding tool connecting rod is fixedly connected with the top of the upper grinding plate, the side of the upper grinding plate is fixedly connected with the side of the inlet cover, the side of the upper grinding plate is fixedly connected with the side of the support sliding block, the side of the casting machine body is fixedly connected with the bottom of the lower grinding plate, and the side of the lower grinding plate is fixedly connected with the side of the inlet.

[0010] Further, the demolding assembly comprises an upper demolding plate, a lower demolding device, an upper demolding column and a lower demolding column, the bottom of the upper demolding plate is fixedly connected with the top of the upper demolding column, and the side of the upper demolding column is movably connected with the inner wall of the upper grinding plate.

[0011] Further, the lower demolding device comprises a lower demolding plate, a demolding hydraulic pump, a demolding hydraulic rod and a demolding hydraulic rod support plate, the top of the lower demolding plate is fixedly connected with the bottom of the lower demolding column, the side of the lower demolding column is movably connected with the inner wall of the lower grinding plate, the top of the demolding hydraulic pump is fixedly connected with the bottom of the casting machine body, the top of the demolding hydraulic rod is fixedly connected with the bottom of the lower demolding plate, the bottom of the demolding hydraulic rod is fixedly connected with the top of the demolding hydraulic rod support plate, and the side of the demolding hydraulic rod is movably connected with the inner wall of the casting machine body.

[0012] Further, the mold core assembly comprises a mold core groove, a mold core plate, a mold core plate seat, a mold core hydraulic rod, a mold core hydraulic pump, a mold core hydraulic rod support seat and a mold core hydraulic rod support plate, the top of the mold core assembly base is fixedly connected with the bottom of the mold core hydraulic rod support seat, the side of the mold core hydraulic rod support seat is fixedly connected with the bottom of the mold core hydraulic pump, the side of the mold core hydraulic rod is movably connected with the side of the mold core hydraulic pump, the bottom of the mold core hydraulic rod is fixedly connected with the side of the mold core plate seat, the side of the mold core plate seat is movably connected with the side of the mold core plate, the side of the mold core plate is provided with the mold core groove, and the top of the mold core hydraulic rod is fixedly connected with the side of the mold core hydraulic rod support plate.

[0013] The technical effects and advantages of the present application are as follows:

[0014] The present application is provided with a grinding tool connecting rod, an upper grinding plate and a lower mold plate, and when different models and sizes of steering gear housings need to be produced, the upper grinding plate and the lower grinding plate can be disassembled through the grinding tool connecting rod, and the required grinding tool can be replaced, which is beneficial to improve the function of the device.

[0015] The present application is provided with a mold core assembly and a mold core groove, and during the production process, the mold core can be automatically inserted into the grinding tool, replacing manual work, which is beneficial to save manpower and improve work efficiency, and when the mold core needs to be replaced, the mold core can be replaced individually through the mold core groove, which is beneficial to reduce the working steps and improve the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0017] Figure 2 It is a schematic diagram of the grinding tool assembly structure of the present application;

[0018] Figure 3 It is a schematic diagram of the mold core assembly structure of the present application;

[0019] Figure 4 Fig. 1 is a schematic diagram of the position limiting device structure of the present application;

[0020] Figure 5 Fig. 2 is a schematic diagram of the support sliding device structure of the present application;

[0021] Figure 6 Fig. 3 is a schematic diagram of the casting tool main body device structure of the present application.

[0022] The figure marks are as follows: 1, frame; 11, base; 12, foot base; 13, rotating support arm; 14, main body support foot base; 15, hydraulic rod connecting base; 16, position limiting plate; 2, casting tool main body device; 21, main body rotating assembly; 211, main body rotating shaft; 212, rotating hydraulic pump; 213, main hydraulic rod; 214, hydraulic rod rotating support seat; 215, hydraulic rod rotating shaft; 22, pressing assembly; 221, pressing hydraulic pump; 222, pressing hydraulic rod; 223, pressing hydraulic rod support plate; 224, pressing plate; 225, grinding tool connecting rod; 23, main body support seat; 24, position limiting block; 25, mold core assembly base; 26, support sliding plate; 27, casting machine body; 3, grinding tool assembly; 31, grinding tool main body; 311, upper grinding tool plate; 312, feeding cover; 313, lower grinding tool plate; 314, feeding port; 315, support sliding block; 32, demolding assembly; 321, upper demolding plate; 322, lower demolding device; 3221, lower demolding plate; 3222, demolding hydraulic pump; 3223, demolding hydraulic rod; 3224, demolding hydraulic rod support plate; 323, upper demolding column; 324, lower demolding column; 4, mold core assembly; 41, mold core groove; 42, mold core plate; 43, mold core plate seat; 44, mold core hydraulic rod; 45, mold core hydraulic pump; 46, mold core hydraulic rod support seat; 47, mold core hydraulic rod support plate. DETAILED DESCRIPTION

[0023] The technical solutions in the present application will be described clearly and completely below in combination with the drawings in the present application. In addition, the forms of each structure described in the following embodiments are only examples, and the steering gear housing casting device involved in the present application is not limited to each structure described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0024] REFERENCE Figure 1 AND Figure 2The application provides a steering gear housing casting device, which comprises a rack 1, the bottom of the rack 1 is fixedly connected with a foot base 12, the top of the rack 1 is fixedly connected with a rotary support arm 13, the top of the rack 1 is fixedly connected with a main body support foot base 14, the top of the rack 1 is fixedly connected with a hydraulic rod connecting base 15, the middle inner wall of the rack 1 is fixedly connected with a limiting plate 16, the rotary support arm 13 is movably connected with a casting tool main body device 2, the casting tool main body device 2 comprises a casting machine body 27, the side of the casting machine body 27 is movably connected with a main body rotary assembly 21, the bottom of the main body rotary assembly 21 is movably connected with the inner wall of the hydraulic rod connecting base 15, the inside of the casting machine body 27 is movably connected with a pressing assembly 22, the side of the casting machine body 27 is fixedly connected with a main body support base 23, the bottom of the casting machine body 27 is fixedly connected with a limiting block 24, the side of the casting machine body 27 is fixedly connected with a mold core assembly base 25, the top of the mold core assembly base 25 is fixedly connected with a mold core assembly 4, the side of the casting machine body 27 is fixedly connected with a support sliding plate 26, the bottom of the pressing assembly 22 is fixedly connected with a grinding tool assembly 3, and the bottom of the casting machine body 27 is fixedly connected with a demolding hydraulic pump 3222.

[0025] In the embodiment of the application, when the rotary hydraulic pump 212 provides power for the main hydraulic rod 213, the bottom of the main hydraulic rod rotates in the hydraulic rod connecting base 15, and the top rotates with the hydraulic rod rotary support base 214 and the hydraulic rod rotary shaft 215, the casting machine body 27 rotates due to the rotation of the main hydraulic rod 213, and the maximum angle of rotation of the casting machine body 27 is 90 degrees, so that the pouring liquid can fully flow into the mold. When the main hydraulic rod 213 is extended, the casting machine body 27 slowly stands upright, and stops when reaching the initial position. The limiting block 24 at the bottom of the casting machine body 27 contacts the limiting plate 16 on the inner wall of the rack 1, thereby assisting the casting machine body 27 to stop moving. The main body support base 23 at the bottom of the casting machine body 27 is separated from the main body support foot base 14, thereby reducing the pressure of the casting machine body 27 on the main body rotary shaft 211.

[0026] The main body rotary assembly 21 comprises a main body rotary shaft 211, a rotary hydraulic pump 212, a main hydraulic rod 213, a hydraulic rod rotary support base 214 and a hydraulic rod rotary shaft 215. The rotary support arm 13 is movably connected with the casting machine body 27 through the main body rotary shaft 211. The top of the rack 1 is fixedly connected with the bottom of the rotary hydraulic pump 212. The casting machine body 27 is movably connected with the side of the hydraulic rod rotary support base 214 through the hydraulic rod rotary shaft 215. The side of the hydraulic rod rotary support base 214 is fixedly connected with the top of the rotary hydraulic pump 212. The bottom of the rotary hydraulic pump 212 is movably connected with the inner wall of the hydraulic rod connecting base 15.

[0027] The lower pressing assembly 22 comprises a lower pressing hydraulic pump 221, a lower pressing hydraulic rod 222, a lower pressing hydraulic rod support plate 223, a lower pressing plate 224 and a mold connecting rod 225. The bottom of the lower pressing hydraulic pump 221 is fixedly connected to the top of the casting machine body 27. The side of the lower pressing hydraulic rod 222 is movably connected to the inner wall of the casting machine body 27. The top of the lower pressing hydraulic rod 222 is fixedly connected to the bottom of the lower pressing hydraulic rod support plate 223. The bottom of the lower pressing hydraulic rod 222 is movably connected to the top of the lower pressing plate 224. The bottom of the middle part of the lower pressing hydraulic rod 222 is fixedly connected to the upper demolding plate 321. The bottom of the lower pressing plate 224 is fixedly connected to the top of the mold connecting rod 225.

[0028] In the embodiment of the application, the lower pressing hydraulic pump 221 drives the lower pressing hydraulic rod 222 and the lower pressing hydraulic rod support plate 223 to move downward together. The lower pressing hydraulic rod 222 drives the lower pressing plate 224 and the mold connecting rod 225 to move downward. When the work is finished, they move upward together.

[0029] The mold assembly 3 comprises a mold main body 31 and a demolding assembly 32. The mold main body 31 comprises an upper mold plate 311, an inlet cover 312, a lower mold plate 313 and an inlet 314. The bottom of the mold connecting rod 225 is fixedly connected to the top of the upper mold plate 311. The side of the upper mold plate 311 is fixedly connected to the side of the inlet cover 312. The side of the upper mold plate 311 is fixedly connected to the side of the support sliding block 315. The side of the casting machine body 27 is fixedly connected to the bottom of the lower mold plate 313. The side of the lower mold plate 313 is fixedly connected to the side of the inlet 314.

[0030] In the embodiment of the application, the mold connecting rod 225 drives the upper mold plate 311 to move downward. The upper mold plate 311 moves downward until the upper mold plate 311 and the lower mold plate 313 are completely closed. The casting liquid flows into the closed upper mold plate 311 and lower mold plate 313 through the inlet. After cooling, the upper mold plate 311 rises with the mold connecting rod 225.

[0031] The demolding assembly 32 comprises an upper demolding plate 321, a lower demolding device 322, an upper demolding column 323 and a lower demolding column 324. The bottom of the upper demolding plate 321 is fixedly connected to the top of the upper demolding column 323. The side of the upper demolding column 323 is movably connected to the inner wall of the upper mold plate 311.

[0032] In the embodiment of the application, when the upper mold plate 311 moves to the uppermost part, the upper demolding plate 321 moves downward a small distance with the help of the lower pressing hydraulic pump 221 to perform demolding.

[0033] The lower demolding device 322 comprises a lower demolding plate 3221, a demolding hydraulic pump 3222, a demolding hydraulic rod 3223 and a demolding hydraulic rod support plate 3224, the top of the lower demolding plate 3221 is fixedly connected with the bottom of the lower demolding column 324, the side of the lower demolding column 324 is movably connected with the inner wall of the lower mold plate 313, the top of the demolding hydraulic pump 3222 is fixedly connected with the bottom of the casting machine body 27, the top of the demolding hydraulic rod 3223 is fixedly connected with the bottom of the lower demolding plate 3221, the bottom of the demolding hydraulic rod 3223 is fixedly connected with the top of the demolding hydraulic rod support plate 3224, and the side of the demolding hydraulic rod 3223 is movably connected with the inner wall of the casting machine body 27.

[0034] In the embodiment of the application, after cooling is completed, the demolding hydraulic pump 3222 drives the demolding hydraulic rod 3223 to move upward, the demolding hydraulic rod 3223 pushes the lower demolding column 324 to move upward through the lower demolding plate 3221, and the lower demolding column 324 pushes the product to be demolded.

[0035] The mold core assembly 4 comprises a mold core groove 41, a mold core plate 42, a mold core plate seat 43, a mold core hydraulic rod 44, a mold core hydraulic pump 45, a mold core hydraulic rod support seat 46 and a mold core hydraulic rod support plate 47, the top of the mold core assembly base 25 is fixedly connected with the bottom of the mold core hydraulic rod support seat 46, the side of the mold core hydraulic rod support seat 46 is fixedly connected with the bottom of the mold core hydraulic pump 45, the side of the mold core hydraulic rod 44 is movably connected with the side of the mold core hydraulic pump 45, the bottom of the mold core hydraulic rod 44 is fixedly connected with the side of the mold core plate seat 43, the side of the mold core plate seat 43 is movably connected with the side of the mold core plate 42, the side of the mold core plate 42 is provided with the mold core groove 41, and the top of the mold core hydraulic rod 44 is fixedly connected with the side of the mold core hydraulic rod support plate 47.

[0036] In the embodiment of the application, the mold core hydraulic pump 45 operates to drive the mold core hydraulic rod 44 to move the mold core plate seat 43 and the mold core plate 42, the mold core plate 42 is connected with the mold core through the mold core groove 41 on the plate and also moves together, and is deep into the mold, and is extended out together when the work is completed.

[0037] The working principle of the present application: when the device works, the mold core hydraulic rod 44 moves first, the mold core hydraulic rod 44 pushes the mold core plate 42 to move through the mold core plate seat 43, the mold core on the mold core plate 42 will extend into the lower grinding plate 313, then the lower pressing hydraulic rod 221 moves, the upper grinding plate 311 is driven downward by the lower pressing plate 224 and the grinding tool connecting rod 225, when the upper grinding plate 311 and the lower grinding plate 313 are completely closed, the workers pour the casting liquid from the inlet, then the main hydraulic rod 213 starts to move, drives the pouring machine body 27 to overturn, when the pouring machine body 27 overturns, the casting liquid flows into the closed upper grinding plate 311 and lower grinding plate 313 from the inlet, the pouring machine body 27 overturns by 90 degrees, when the pouring machine body 27 overturns, the supporting slide plate 26 on the pouring machine body 27 contacts with the supporting slide block 315 on the upper grinding plate 311, supports the upper grinding plate 311, reduces the stress of the device, after the casting liquid cools and forms, the main hydraulic rod 213 moves, turns the pouring machine body 27 back, when the pouring machine body 27 stops overturning, the limiting block 24 contacts with the limiting plate 16, assists the pouring machine body 27 to stop overturning, the upper grinding plate 311 moves upward, when the upper grinding plate 311 moves to the uppermost part, the upper demolding plate 321 will move downward a small distance to demold under the help of the lower pressing hydraulic pump 221, the demolding hydraulic pump 3222 drives the demolding hydraulic rod 3223 to move upward, the demolding hydraulic rod 3223 pushes the lower demolding column 324 to move upward through the lower demolding plate 3221, the lower demolding column 324 pushes the product to demold.

[0038] The above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A steering gear housing casting device, comprising a frame (1), characterized in that, The frame (1) includes a base (11), a foot (12) is fixedly connected to the bottom of the base (11), a rotating support arm (13) is fixedly connected to the top of the base (11), a main support foot (14) is fixedly connected to the top of the base (11), a hydraulic rod connecting base (15) is fixedly connected to the top of the base (11), a limit plate (16) is fixedly connected to the inner wall of the middle part of the base (11), a casting fixture main device (2) is movably connected to the side of the rotating support arm (13), the casting fixture main device (2) includes a casting machine body (27), a main rotating assembly (21) is movably connected to the side of the casting machine body (27), and the main rotating assembly (21) is... The bottom is movably connected to the inner wall of the hydraulic rod connecting base (15), the casting machine body (27) is movably connected to the inside of the lower pressure assembly (22), the side of the casting machine body (27) is fixedly connected to the main support base (23), the bottom of the casting machine body (27) is fixedly connected to the limit block (24), the side of the casting machine body (27) is fixedly connected to the mold core assembly base (25), the top of the mold core assembly base (25) is fixedly connected to the mold core assembly (4), the side of the casting machine body (27) is fixedly connected to the support slide plate (26), the bottom of the lower pressure assembly (22) is fixedly connected to the mold assembly (3), and the bottom of the casting machine body (27) is fixedly connected to the demolding hydraulic pump (3222). The pressing assembly (22) includes a pressing hydraulic pump (221), a pressing hydraulic rod (222), a pressing hydraulic rod support plate (223), a pressing plate (224), and a mold connecting rod (225). The bottom of the pressing plate (224) is fixedly connected to the top of the mold connecting rod (225). The grinding assembly (3) includes a grinding body (31) and a demolding assembly (32). The grinding body (31) includes an upper grinding plate (311), a feed cover (312), a lower grinding plate (313), and a feed port (314). The bottom of the grinding connecting rod (225) is fixedly connected to the top of the upper grinding plate (311). The mold core assembly (4) includes a mold core groove (41), a mold core plate (42), a mold core plate seat (43), a mold core hydraulic rod (44), a mold core hydraulic pump (45), a mold core hydraulic rod support seat (46), and a mold core hydraulic rod support plate (47); the mold core plate (42) has a mold core groove (41) on its side.

2. The steering gear housing casting device according to claim 1, characterized in that: The bottom of the downward hydraulic pump (221) is fixedly connected to the top of the casting machine body (27), the side of the downward hydraulic rod (222) is movably connected to the inner wall of the casting machine body (27), the top of the downward hydraulic rod (222) is fixedly connected to the bottom of the downward hydraulic rod support plate (223), the bottom of the downward hydraulic rod (222) is movably connected to the top of the downward pressure plate (224), and the bottom of the downward hydraulic rod (222) in the middle is fixedly connected to the upper ejector plate (321).

3. A steering gear housing casting device according to claim 1, characterized in that: The side of the upper grinding plate (311) is fixedly connected to the side of the feed cover (312), the side of the upper grinding plate (311) is fixedly connected to the side of the support slider (315), the side of the casting machine body (27) is fixedly connected to the bottom of the lower grinding plate (313), and the side of the lower grinding plate (313) is fixedly connected to the side of the feed port (314).

4. A steering gear housing casting device according to claim 1, characterized in that: The main rotating assembly (21) includes a main rotating shaft (211), a rotary hydraulic pump (212), a main hydraulic rod (213), a hydraulic rod rotating support seat (214), and a hydraulic rod rotating shaft (215). The rotating support arm (13) is movably connected to the casting machine body (27) through the main rotating shaft (211). The top of the base (11) is fixedly connected to the bottom of the rotary hydraulic pump (212). The casting machine body (27) is movably connected to the side of the hydraulic rod rotating support seat (214) through the hydraulic rod rotating shaft (215). The side of the hydraulic rod rotating support seat (214) is fixedly connected to the top of the rotary hydraulic pump (212). The bottom of the rotary hydraulic pump (212) is movably connected to the inner wall of the hydraulic rod connecting base (15).

5. A steering gear housing casting device according to claim 1, characterized in that: The demolding assembly (32) includes an upper demolding template (321), a lower demolding device (322), an upper demolding column (323), and a lower demolding column (324). The bottom of the upper demolding template (321) is fixedly connected to the top of the upper demolding column (323), and the side of the upper demolding column (323) is movably connected to the inner wall of the upper mold plate (311).

6. A steering gear housing casting device according to claim 5, characterized in that: The lower demolding device (322) includes a lower demolding template (3221), a demolding hydraulic pump (3222), a demolding hydraulic rod (3223), and a demolding hydraulic rod support plate (3224). The top of the lower demolding template (3221) is fixedly connected to the bottom of the lower demolding column (324), and the side of the lower demolding column (324) is movably connected to the inner wall of the lower mold plate (313). The top of the demolding hydraulic pump (3222) is fixedly connected to the bottom of the casting machine body (27). The top of the demolding hydraulic rod (3223) is fixedly connected to the bottom of the lower demolding template (3221), and the bottom of the demolding hydraulic rod (3223) is fixedly connected to the top of the demolding hydraulic rod support plate (3224). The side of the demolding hydraulic rod (3223) is movably connected to the inner wall of the casting machine body (27).

7. A steering gear housing casting device according to claim 1, characterized in that: The top of the mold core assembly base (25) is fixedly connected to the bottom of the mold core hydraulic rod support seat (46), the side of the mold core hydraulic rod support seat (46) is fixedly connected to the bottom of the mold core hydraulic pump (45), the side of the mold core hydraulic rod (44) is movably connected to the side of the mold core hydraulic pump (45), the bottom of the mold core hydraulic rod (44) is fixedly connected to the side of the mold core plate seat (43), the side of the mold core plate seat (43) is movably connected to the side of the mold core plate (42), and the top of the mold core hydraulic rod (44) is fixedly connected to the side of the mold core hydraulic rod support plate (47).

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